Finding the Fourth Proportional to 841,651.19, 1,161,476.79 and 459,677.99
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Solution
The fourth proportional to 841,651.19, 1,161,476.79 and 459,677.99 is: 634,354.61
Step by Step Solution
- Step 1: Write the proportion equation
841,651.19 : 1,161,476.79 = 459,677.99 : x - Step 2: Convert to fraction form
841,651.19/1,161,476.79 = 459,677.99/x - Step 3: Cross multiply
841,651.19x = 1,161,476.79 × 459,677.99 - Step 4: Simplify right side
841,651.19x = 533,905,316,258.85 - Step 5: Solve for x
x = 533,905,316,258.85/841,651.19 - Step 6: Final answer
x = 634,354.61
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.